Front sight for a firearm



FIG. 1 is a perspective view of a "front sight for a firearm," showing my new design from above and the rear;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof, and the right side being a mirror image thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a "front sight for a firearm," as shown and described. 